By the end of this training course, participants will be able to:

• Understand the basic principles of corrosion and its mechanisms
• Identify different types of corrosion with specific attention to concrete systems
• Recognise various aggressive agent and environmental factors affecting concrete systems corrosion
• Understand the application of relevant corrosion protection techniques including cathodic protection and coatings
• Have a knowledge of basic metallurgical considerations and materials of construction
• Understand how to develop and implement corrosion inspection and control programs

CONTENT

Fundamental Principles of Corrosion

• Introduction to principles of corrosion
• Corrosion cycle
• Kinetics of the corrosion reaction
• Electrochemical reactions
• Anodic and cathodic reactions
• Galvanic series
• Corrosion rates
• Materials of construction, types and properties of steel

Types of Corrosion relevant to Concrete Systems

• Forms of Corrosion
• Uniform corrosion
• Bimetallic corrosion
• Pitting corrosion
• Concentration cell corrosion
• Stress corrosion cracking
• Erosion corrosion
• Corrosion and fatigue

Corrosion in Concrete Structures and Influencing Factors

• Defects in concrete structures
• Corrosion process in concrete structures
• Concrete system corrosion timeline
• Influence of the environment
• Macro-cell corrosion of steel reinforcement
• pH levels and alkalinity of concrete
• Influence of hydroxides
• Influence of aggressive agents and solutions, carbon dioxide, sea water, etc.
• Carbonation
• Chloride contamination
• Chloride limits for various types of concrete systems, reinforced, pre-stressed, etc.
• Penetration of concrete structures
• Porosity and permeability
• Corrosion induced cracking of concrete

Concrete Structures Corrosion Inspection and Monitoring

• Design against corrosion
• Methods to control or prevention
• Cathodic protection systems
• Impressed-current protection
• Sacrificial concrete anode systems and Anode mesh systems
• Thermal spray anodes
• Reinforced steel coatings
• Repair and rehabilitation of concrete
• Identify Rehabilitation Alternatives
• Relevant standards

Inspection and Monitoring of Concrete Structures Corrosion

• Determining possible causes of failure
• Preliminary and detailed inspections
• Delamination survey
• Core extraction and testing
• Nondestructive testing of to Determine Concrete Cracks
• Crack Survey
• Pachometer (Cover) Survey
• Chloride content determination
• Moisture content determination
• Half-cell Potential

FOR WHOM:

Works, Services and Maintenance Personnel

TRAINING METHODOLOGY

The training methodology combines lectures, discussions, group exercises and illustrations. Participants will gain both theoretical and practical knowledge of the topics. The emphasis is on the practical application of the topics and as a result participant will go back to the workplace with both the ability and the confidence to apply the techniques learned to their duties.

This course is available in the following locations:

Nigeria - $5500
Rwanda - $7500
UK - $8500
USA - $8500